20123343270

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{55249}}^1$

素因数の和:55355

約数の個数: 128

約数和(自身を含む): 57283200000

約数和(自身を除く): 37159856730

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 19, 27, 30, 38, 45, 54, 57, 71, 90, 95, 114, 135, 142, 171, 190, 213, 270, 285, 342, 355, 426, 513, 570, 639, 710, 855, 1026, 1065, 1278, 1349, 1710, 1917, 2130, 2565, 2698, 3195, 3834, 4047, 5130, 6390, 6745, 8094, 9585, 12141, 13490, 19170, 20235, 24282, 36423, 40470, 55249, 60705, 72846, 110498, 121410, 165747, 182115, 276245, 331494, 364230, 497241, 552490, 828735, 994482, 1049731, 1491723, 1657470, 2099462, 2486205, 2983446, 3149193, 3922679, 4972410, 5248655, 6298386, 7458615, 7845358, 9447579, 10497310, 11768037, 14917230, 15745965, 18895158, 19613395, 23536074, 28342737, 31491930, 35304111, 39226790, 47237895, 56685474, 58840185, 70608222, 74530901, 94475790, 105912333, 117680370, 141713685, 149061802, 176520555, 211824666, 223592703, 283427370, 353041110, 372654505, 447185406, 529561665, 670778109, 745309010, 1059123330, 1117963515, 1341556218, 2012334327, 2235927030, 3353890545, 4024668654, 6707781090, 10061671635, 20123343270]

約数ペア:

[(1, 20123343270), (2, 10061671635), (3, 6707781090), (5, 4024668654), (6, 3353890545), (9, 2235927030), (10, 2012334327), (15, 1341556218), (18, 1117963515), (19, 1059123330), (27, 745309010), (30, 670778109), (38, 529561665), (45, 447185406), (54, 372654505), (57, 353041110), (71, 283427370), (90, 223592703), (95, 211824666), (114, 176520555), (135, 149061802), (142, 141713685), (171, 117680370), (190, 105912333), (213, 94475790), (270, 74530901), (285, 70608222), (342, 58840185), (355, 56685474), (426, 47237895), (513, 39226790), (570, 35304111), (639, 31491930), (710, 28342737), (855, 23536074), (1026, 19613395), (1065, 18895158), (1278, 15745965), (1349, 14917230), (1710, 11768037), (1917, 10497310), (2130, 9447579), (2565, 7845358), (2698, 7458615), (3195, 6298386), (3834, 5248655), (4047, 4972410), (5130, 3922679), (6390, 3149193), (6745, 2983446), (8094, 2486205), (9585, 2099462), (12141, 1657470), (13490, 1491723), (19170, 1049731), (20235, 994482), (24282, 828735), (36423, 552490), (40470, 497241), (55249, 364230), (60705, 331494), (72846, 276245), (110498, 182115), (121410, 165747)]